[Bug 76832] New: [i965] piglit fbo-drawbuffers-none glClearBuffer fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76832

          Priority: medium
            Bug ID: 76832
          Assignee: idr at freedesktop.org
           Summary: [i965] piglit fbo-drawbuffers-none glClearBuffer fails
        QA Contact: intel-3d-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: itoral at igalia.com
          Hardware: Other
            Status: NEW
           Version: git
         Component: Drivers/DRI/i965
           Product: Mesa

System description:

IvyBridge and Mesa from master (41f537afb37ed86dc51346f9fd412504c6a697f4)

Test output:

Testing glClearBuffer.
Probe color at (0,0)
  Expected: 0.000000 0.000000 1.000000 1.000000
  Observed: 1.000000 1.000000 0.000000 1.000000
  from color attachment 1,
  config (COLOR_ATTACHMENT3, COLOR_ATTACHMENT2, COLOR_ATTACHMENT1,
COLOR_ATTACHMENT0)
Probe color at (0,0)
  Expected: 0.000000 1.000000 0.000000 1.000000
  Observed: 1.000000 1.000000 0.000000 1.000000
  from color attachment 2,
  config (COLOR_ATTACHMENT3, COLOR_ATTACHMENT2, COLOR_ATTACHMENT1,
COLOR_ATTACHMENT0)
Probe color at (0,0)
  Expected: 1.000000 0.000000 0.000000 1.000000
  Observed: 1.000000 1.000000 0.000000 1.000000
  from color attachment 3,
  config (COLOR_ATTACHMENT3, COLOR_ATTACHMENT2, COLOR_ATTACHMENT1,
COLOR_ATTACHMENT0)
Probe color at (0,0)
  Expected: 0.000000 0.000000 1.000000 1.000000
  Observed: 1.000000 1.000000 0.000000 1.000000
  from color attachment 0,
  config (NONE, COLOR_ATTACHMENT1, COLOR_ATTACHMENT0, COLOR_ATTACHMENT2)
Probe color at (0,0)
  Expected: 0.000000 1.000000 0.000000 1.000000
  Observed: 1.000000 1.000000 0.000000 1.000000
  from color attachment 1,
  config (NONE, COLOR_ATTACHMENT1, COLOR_ATTACHMENT0, COLOR_ATTACHMENT2)
Probe color at (0,0)
  Expected: 1.000000 0.000000 0.000000 1.000000
  Observed: 1.000000 1.000000 0.000000 1.000000
  from color attachment 1,
  config (COLOR_ATTACHMENT1, NONE, COLOR_ATTACHMENT3, COLOR_ATTACHMENT0)
Probe color at (0,0)
  Expected: 0.000000 0.000000 1.000000 1.000000
  Observed: 1.000000 1.000000 0.000000 1.000000
  from color attachment 3,
  config (COLOR_ATTACHMENT1, NONE, COLOR_ATTACHMENT3, COLOR_ATTACHMENT0)
Probe color at (0,0)
  Expected: 1.000000 0.000000 0.000000 1.000000
  Observed: 1.000000 1.000000 0.000000 1.000000
  from color attachment 1,
  config (COLOR_ATTACHMENT1, COLOR_ATTACHMENT3, NONE, COLOR_ATTACHMENT2)
Probe color at (0,0)
  Expected: 0.000000 1.000000 0.000000 1.000000
  Observed: 1.000000 1.000000 0.000000 1.000000
  from color attachment 3,
  config (COLOR_ATTACHMENT1, COLOR_ATTACHMENT3, NONE, COLOR_ATTACHMENT2)
Probe color at (0,0)
  Expected: 0.000000 1.000000 0.000000 1.000000
  Observed: 0.000000 0.000000 1.000000 1.000000
  from color attachment 0,
  config (COLOR_ATTACHMENT2, COLOR_ATTACHMENT0, COLOR_ATTACHMENT3, NONE)
Probe color at (0,0)
  Expected: 1.000000 0.000000 0.000000 1.000000
  Observed: 0.000000 0.000000 1.000000 1.000000
  from color attachment 2,
  config (COLOR_ATTACHMENT2, COLOR_ATTACHMENT0, COLOR_ATTACHMENT3, NONE)
Probe color at (0,0)
  Expected: 0.000000 0.000000 1.000000 1.000000
  Observed: 1.000000 1.000000 0.000000 1.000000
  from color attachment 3,
  config (NONE, NONE, COLOR_ATTACHMENT3, COLOR_ATTACHMENT2)
Probe color at (0,0)
  Expected: 0.000000 1.000000 0.000000 1.000000
  Observed: 1.000000 1.000000 0.000000 1.000000
  from color attachment 0,
  config (NONE, COLOR_ATTACHMENT0, NONE, COLOR_ATTACHMENT1)
Probe color at (0,0)
  Expected: 0.000000 1.000000 0.000000 1.000000
  Observed: 0.000000 0.000000 1.000000 1.000000
  from color attachment 2,
  config (NONE, COLOR_ATTACHMENT2, COLOR_ATTACHMENT0, NONE)
Probe color at (0,0)
  Expected: 1.000000 0.000000 0.000000 1.000000
  Observed: 1.000000 1.000000 0.000000 1.000000
  from color attachment 3,
  config (COLOR_ATTACHMENT3, NONE, NONE, COLOR_ATTACHMENT1)
Probe color at (0,0)
  Expected: 1.000000 0.000000 0.000000 1.000000
  Observed: 0.000000 0.000000 1.000000 1.000000
  from color attachment 0,
  config (COLOR_ATTACHMENT0, NONE, COLOR_ATTACHMENT1, NONE)
Probe color at (0,0)
  Expected: 1.000000 0.000000 0.000000 1.000000
  Observed: 0.000000 1.000000 0.000000 1.000000
  from color attachment 2,
  config (COLOR_ATTACHMENT2, COLOR_ATTACHMENT0, NONE, NONE)
PIGLIT: {'result': 'fail' }


Steps to reproduce:

1. From piglit root, execute:
./bin/fbo-drawbuffers-none glClearBuffer

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